Contents (view Concise Listing)

• Mr. Spaceship • (1953) • novelette by Philip K. Dick
• The Mind Digger • (1958) • novelette by Winston K. Marks [as by Winston Marks]
• Earth Alert! • (1953) • novella by Kris Neville
• Stopover Planet • (1953) • short story by Robert E. Gilbert
• Voyage to Eternity • (1953) • novella by Milton Lesser
• Spacemen Never Die! • (1953) • short story by Morris Hershman
• Brown John's Body • (1955) • short story by Winston K. Marks [as by Winston Marks]
• Spillthrough • (1953) • novelette by Daniel F. Galouye
• The Legion of Lazarus • (1956) • novella by Edmond Hamilton
• The Beasts in the Void • (1956) • short story by Paul W. Fairman
• The Star Lord • (1953) • novella by Lyle G. Boyd and William C. Boyd [as by Boyd Ellanby]
• The Invader • (1953) • short story by Alfred Coppel
• Prison of a Billion Years • (1956) • short story by Milton Lesser [as by C. H. Thames]
• Prelude to Space • (1954) • short story by Robert W. Haseltine
• Spies Die Hard! • (1954) • short story by Arnold Marmor
• The Minus Woman • (1953) • short story by R. R. Winterbotham [as by Russ Winterbotham]
• The Dictator • (1955) • short story by Milton Lesser
• Adolescents Only • (1953) • novelette by Irving E. Cox, Jr. [as by Irving Cox, Jr.]
• Goodbye, Dead Man! • (1958) • short story by Tom W. Harris
• Native Son • (1953) • short story by T. D. Hamm
• Dogfight―1973^?Dogfight-1973
  • (1953) • short story by Mack Reynolds
• Cancer World • (1954) • short story by Harry Warner, Jr.
• Mr. Chipfellow's Jackpot • (1956) • short story by Dick Purcell
• The Graveyard of Space • (1956) • short story by Milton Lesser
• There Is a Reaper ... • (1953) • short story by Charles V. De Vet
• Zero Hour • (1956) • short story by unknown [as by Alexander Blade]
• Piper in the Woods • (1953) • short story by Philip K. Dick